Wireless Metal Keypad Door Opener Keypad Rolling Code 433MHz Keypad for Garage Door Access Control [HK]

This is a dual-channel transmitter that is activated only after entering an appropriate combination.\nThe units are designed for indoor or outdoor installation, ensuring maximum security as the transmitted code changes with each transmission.\nThe estimated transmission range is 200 m in open space and 35 m indoors.\nThe units are designed for a battery life equivalent to approximately 2 years of operation - considering 10 transmissions/day.\nPower: 6 Volt DC\n2 pcs CR2032 Li-battery\nBattery life: 2 years (4 times usage every day)\nFrequency: 433.92MHz +/- 75KHz\nTransmitting power: 1Mw\nData format: standard\nWorking temperature: -20~+55 centigrade\nPassword number: 0-8\nWaterproof level: IP54\nMaterial: Plastic + Metal\nColor: Black + grey\nPackage contents:\n1 x Keypad\n1 x English manual\nOnly the above package content, other products are not included.\nNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.